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- Contestabile et al.
In this review, the experience made during the last decade by Italian researcher and engineers of full-scale pilots of wave energy device is described. Focus is on the development of three prototypes called REWEC3, ISWEC and OBREC. The REWEC3 (REsonant Wave Energy Converter) is the first worldwide application in the Med Sea (and one of the biggest in the world) of an innovative WEC, which…
- Musa et al.
Overtopping breakwater for energy conversion (OBREC) is integration between breakwater and wave energy converter (WEC) that allows incoming waves to be stored in the reservoir. The higher the overtopping amount collected in a reservoir, the greater the energy generated will be. Hence, most of the overtopping concept has attempted to maximize the inclusion of water in the reservoir by…
- Cascajo et al.
Seaports’ energy strategy should rely on the use of renewable energy. Presently, the share of renewable energy used by many of the ports worldwide is negligible. Some initiatives are in the process of implementation to produce some of the energy used by the Port of Valencia, one the largest ports in the Mediterranean Basin. Among these initiatives, a photovoltaic plant with an installed…
- Sergent et al.
There are few general analyses of the interest of onshore wave energy converters (onshore WEC) in terms of resources, efficiency and cost. The case of The Channel on the Atlantic coast of France is chosen here to illustrate the issues related to onshore WEC development. The paper presents a list of potential sites with their characteristics and a more in-depth analysis of a few sites. For four…
- Cavallaro et al.
A numerical model for the optimization of the performance of an innovative overtopping breakwater for wave energy conversion is proposed. The model is based on the stochastic description of the overtopping phenomenon based on the results of extensive laboratory tests, and it is able to simulate the behavior of the device operating under any assigned sequence of sea states, thus allowing to…
- Babarit and Hals
This paper is devoted to provide orders of magnitudes of maximum and actual wave power absorption in function of the typical dimensions of the devices and the level of wave power resource. The first part of the paper is dedicated to the derivation of the maximum of wave power that can be absorbed by point absorbers in irregular waves. It is calculated using the upper limit of wave power…
- Oliver et al.
Artificial neural networks (ANN) are extremely powerful analytical, parallel processing elements that can successfully approximate any complex non-linear process, and which form a key piece in Artificial Intelligence models. Its field of application, being very wide, is especially suitable for the field of prediction. In this article, its application for the prediction of the overtopping rate…
- Buccino et al.
The Seawave Slot-cone Generator (SSG) is a wave energy converter based on the overtopping principle which has attracted a good deal of funds from both public and private investors in the last years. Yet, no reliable design method exists to predict the magnitude of forces exerted by the waves on its front face. Only recently a set of formulae have been suggested, based on results of physical…
- Jasinski et al.
Wave Dragon is a wave energy converter of the overtopping type. The waves are focused onto a ramp by two reflector arms and overtop into a reservoir above the mean sea level. The potential energy of the water in the reservoir is converted into electrical energy by a set of low-head hydro turbines and generators.
Wave Dragon will be built next winter as a full scale pre-commercial…
- Knapp et al.
WaveSSG is a novel wave energy converter in which the waves are running up a ramp, overtopping into three reservoirs situated at different heights above the mean sea level. The potential energy of the water in the reservoirs is converted into electrical energy by low-head hydro turbines in each reservoir.
A full scale pilot plant of the WaveSSG with an installed capacity of 190 kW will…
- de Oliveira et al.
Capturing wave power from the ocean is a renewable energy form which complements and diversifies energy grid sources. With its extensive coastline, Brazil has great potential for wave power generation. Economic viability is a key factor for energy generation projects, so the aim of this study is to conduct an economic assessment and Levelized Cost of Energy (LCOE) involved in implementation of…
- Vicinanza and Frigaard
Any kind of Wave Energy Converter (WEC) requires information on how optimize the device in terms of hydraulic performances and structural responses. This paper presents results on wave loading acting on an innovative caisson breakwater for electricity production. The Seawave Slot-Cone Generator (SSG) concept is based on the known principle of overtopping and storing the wave energy in several…
- Salimi et al.
The applicability of Sea-wave Slot-cone Generator breakwater as a system of energy converter in the southern coasts of Iran is investigated. Several efficient factors simultaneously have been considered, including the period and the significant height of wave, the effective depth, and the hydraulic efficiency. The field data used in this study are those derived from the stationary buoys.…
- Vicinanza et al.
The Seawave Slot-cone Generator (SSG) is a wave energy converter based on the overtopping principle which has attracted a good deal of funds from both public and private investors in the last years. Yet, no reliable design method exists to predict the magnitude of forces exerted by the waves on its front face. Only recently a set of formulae have been suggested, based on results of physical…
- Margheritini et al.
This paper presents results on wave overtopping and loading on an innovative caisson breakwater for electricity production. The work reported here contributes to the European Union FP6 priority 6.1 (Sustainable Energy System). The design of the structure consists of three reservoirs one on the top of each other to optimize the storage of potential energy in the overtopping water. The wave…
- Parmeggiani et al.
At the present pre-commercial phase of the wave energy sector, device developers are called to provide reliable estimates on power performance and production at possible deployment locations. The EU EquiMar project has proposed a novel approach, where the performance assessment is based mainly on experimental data deriving from sea trials rather than solely on numerical predictions. The study…
- Wave Dragon
The Wave Dragon is an offshore Wave Energy Converter of the overtopping type. The development work is, to a large extent, built on proven technologies and Wave Dragon is by far the largest wave energy converter known today. Each unit will have a rated power of 1.5-12 MW or more depending on how energetic the wave climate is at the deployment site. In addition to this Wave Dragon - due to its…
- Iuppa et al.
The results of a new experimental campaign on an Overtopping BReakwater for Energy Conversion (OBREC) device are presented. Previous 2D model tests carried out at Aalborg University (DK) made it possible to define new prediction methods that were used to design the first OBREC prototype breakwater which has been operating at Naples Harbor (Italy) since January 2016. The new tests were carried…
- Contestabile et al.
The OBREC is an overtopping structure which is integrated into a traditional rubble-mound breakwater to convert wave energy into electricity. The relatively simple geometry of this overtopping device, with a single frontal ramp and a reservoir, makes the technology suitable to be fully combined also with existing structures. OBREC has been deeply investigated over the last years with physical…
- Zhang et al.
The high cost of power generation impedes commercial-scale wave power operations. The objective of this work is to provide a cost-sharing solution by combining wave energy extraction and coastal protection. A two-dimensional numerical wave tank was developed using Star-CCM+ Computational Fluid Dynamics software to investigate the hydrodynamic performance of a dual-floater hybrid system…
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